Comb



FIG. 1 is a front elevational view of a comb showing my new design, therear being a mirror image;

FIG. 2 is a top plan view of the comb shown in FIG. 1;

FIG. 3 is a bottom plan view of the comb shown in FIG. 1; ,

FIG. 4 is a left end elevational view of the comb shown in FIG. 1; and

FIG. 5 is a right end elevational view of the comb shown in FIG. 1.

The ornamental design for a comb, substantially as shown and described.